DEXTSolution
DEXTSolution (Formerly DEVPIA) is a portal site for the professional developer community that was constructed in 2000 under the motto of "developer's utopia". DEXTSolution is one of the world's largest developer communities consisting of over 290,000 members and has 60,000 daily visitors, 583 user groups, 50,000 news monthly updates, 48 professional managers, and 120 professional instructors. In January 2001, the company started the first .NET community in Korea where many developers are able to view and share source code. In 2002, DEVPIA received an award from the president of Microsoft, Bill Gates, for activities in the developer community. Main activities involve .NET consulting, online education, operation of off-line seminars, development and distribution of software, and the development and selling of the DEXTUpload Component.
Sencha
Sencha (a division of Idera, Inc.) provides tools that accelerate development and solve application developer productivity problems. More than 60 percent of the Fortune 100 use Sencha products to design, develop and test cross-platform, data-intensive web applications for desktops, tablets and smartphones.